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Eleven 11

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Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Eleven 11
Phone:
+40 720 436 107

Address:
Sc. a Strada Demetriade Aristide 1/3, Timisoara 300088, Romania

The PDP-11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation from 1970 into the 1990s, one of a succession of products in the PDP series. In total, around 600,000 PDP-11s of all models were sold, making it one of DEC's most successful product lines. The PDP-11 is considered by some experts to be the most popular minicomputer ever. The PDP-11 included a number of innovative features in its instruction set and additional general-purpose registers that made it much easier to program than earlier models in the series. Additionally, the innovative Unibus system allowed external devices to be easily interfaced to the system using direct memory access, opening the system to a wide variety of peripherals. The PDP-11 replaced the PDP-8 in many real-time applications, although both product lines lived in parallel for more than 10 years. But the ease of programming of the PDP-11 made it very popular for general purpose computing uses as well. The design of the PDP-11 inspired the design of late-1970s microprocessors including the Intel x86 and the Motorola 68000. Design features of PDP-11 operating systems, as well as other operating systems from Digital Equipment, influenced the design of other operating systems such as CP/M and hence also MS-DOS. The first officially named version of Unix ran on the PDP-11/20 in 1970. It is commonly stated that the C programming language took advantage of several low-level PDP-11–dependent programming features, albeit not originally by design.An effort to expand the PDP-11 from 16 to 32-bit addressing led to the VAX-11 design, which took part of its name from the PDP-11.
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